Anomaly: All vessels can take unusual shapes, twists and turns; an aneurysm specifically is any vessel that is 2 x its normal diameter... Ectasia and tortuosity are commonly seen throughout the body and in certain disease states.
Answered 9/30/2015
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Diameter: Aneurysm 2x normal size of native aorta. Tortuous regards to the course of the vessel. Ectasia refers to enlarged vessel but less than twice normal. Arteriomegaly-large arteries, not aneurysmal.
Answered 6/18/2018
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